May 18, 2015
An upper level disturbance moved across the region above southeast winds at the surface, which brought increasing moisture to the area. Daytime heating lead to strong instability and this combined with moderate shear brought the development of severe storms to the Upper Trans Pecos.
Source: NOAA National Weather Service Storm Events Database (event 574576). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Pecos County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.